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newsInfoQ·27 Oct 2026·Eran Stiller

How Anthropic Redesigned Source Control for AI-Driven Development

Anthropic moved its monorepo from Git to Scion, a server-side source control system with content-addressed storage and tiered caches built for agent and CI load.

Extract

Anthropic recently detailed how it migrated its monorepo from Git to Scion. Scion is a source control system that moves repository operations to the server side and uses content-addressed storage and tiered caches for agent and CI workloads. The design sacrifices offline independence for less local data and shared infrastructure.

By Eran Stiller